Photographic-film roll.



No. 832,460. PATENTED OCT. 2, 1906.

E. O. DAVIDSON.

PHOTOGRAPHIG FILM ROLL. APPLICATION F'ILED APR.16, 1906,

W/TNESSES I /NVENTOH used.

UNITED 'srATEs PATENT oFFIoE.'- 1 r EDWARD c. DAVIDSON, or ELIZABETH, NEW JERSEY.

PHOTOGRAPHICFFILM ROLL- No 832,469. W

Specification of Letters Patent.

Patented. Oct. 2, 1906.

' Application filed Aprill6 ,1 906. SrialNo. 311,838;

To all whom, it Witty concern.-

Be it known that I, EDWARD O. DAVIDSON, a citizen of the United States of America, re-

siding in Elizabeth, county of Union, State of New Jersey, have invented certain new 'and useful Improvements in Photographic- Film' Rolls, of which the following is aspecification.

This invention relates to. daylight-loading:

photographic-film rolls, and is shown applied to a form of rollor It comprises a novel means whereby the end of the film last wound upon the receiving or winding reel in the camera may be conveniently and accurately led or drawn with the paper backing when attached to the winding device in a daylight-developing apparatus such, for instance, as that known as the I th ompanying drawings, Figure 1 is a perspective view showing a cartridge as supplied for insertion into the camera, but

' lar view showing the vice by means of which tect cd from light. ter in most general use the strip d is of opaque partially unwound to show the terminal of the continuous backing and the end of the.

sensitized film attached to it; Fig. 2, a simipaper backing and film when wound upon the winding or receiving reel of the camera and therefore in the condition in which it is to be placed in a daylight developing box, except that the paper and film are partially unwound to show the dethe film may be wound with its continuous backing in the de .veloping-box; Fig. 3, an edge view of the unwound marks cartridge now extensively in a slot'in the core of erwise attached thereto.

art of the backing and film appe r- 1g. 2, and Fig. 4 a view similar to Fig.

material, such as blackpaper, and is provided upon its outer face with exposure or numbers to be viewedthrough the peephole of the camera and also with marks indicating where thefilm is'to be cross-cut after exposure. The device is illustrated in Fig. l and, as thus far described, maybe n all respects thesame as the daylight loading cartridges 'now largely sold and known as Kodak or co daylight-loading rolls or film cartridges.-

Fig. 2 shows theend of the film c and continuous backing strip (1, which last leave the supply-roll in the camera and are therefore last wound upon the receiving-reel, They are therefore the ends which first pass from the receiving-reel when a daylight-loading develo er is employed. At this end the strip d is also extended beyond the film, so that when wound upon the receiving-reel, as in Fig. 2, the final convolutions of the strip d serve to exclude light. In order that the end of the film 0 may be led or wound with the continuous strip din a daylight-developing box, there'is pasted or otherwise secured to the end of the film a flexible strip f, of any suitable material-such, for instance, as paper of any. a which exten s from thefilm toor substantially to the end of the strip at. The drawings show the strips f and d as terminating at the same point and p as of substantiall equal width so that the two ends may be inserted a winding-reel or oth- In Fig. 4 the extended end of strip (1 and f are indicated as one-that is the strip to say, the strip d extends from the point at which it ordinarily terminates back to the 1 film c, to which it'is secured.

I claim as my invention 1. A hotographic film roll comprising sensitize film superimposed upon a continuous backingwhich extends beyond the ends of the film and a leading-strip attached to that end of the film which is last wound upon the receiving-reel in the caineraand extends to the "corresponding end of the continuous backing. v

2. A daylight-loading film-roll comprising propriate color or character-- IOU a, flanged reel, 5 continuous strip of sensitized tending substantially to the corresponding film, a continuous-backing of'opa'que mateend of the opaque backing; x0

rial upon which the sensitized strip is super In testimony whereof I have hereunto imposed and which extends beyond the ends subscribed my name. I of the sensitized strip, the sensitized strip be- EDWARD O. DAVIDSON. ing secured to the 0 aque backing at one end Witnesses: v and a strip of flexi 1e material attached to L. F. BROWNING,

' the other end of the sensitized film and ex- E. HU'roHINGs. 

